<template>
    <a-radio-group v-if="tagType == 'radio'" @change="handleInput" :value="getValueSting" :disabled="disabled">
        <a-radio v-for="(item, key) in dictOptions" :key="key" :value="item.value">{{ item.text }}</a-radio>
    </a-radio-group>

    <a-radio-group v-else-if="tagType == 'radioButton'" buttonStyle="solid" @change="handleInput" :value="getValueSting" :disabled="disabled">
        <a-radio-button v-for="(item, key) in dictOptions" :key="key" :value="item.value">{{ item.text }}</a-radio-button>
    </a-radio-group>

    <a-select v-else-if="tagType == 'select'" :getPopupContainer="getPopupContainer" :placeholder="placeholder" :disabled="disabled" :value="getValueSting" @change="handleInput">
        <a-select-option :value="undefined" v-if="showNull">请选择</a-select-option>
        <a-select-option v-for="(item, key) in dictOptions" :key="key" :value="item.value">
            <span style="display: inline-block; width: 100%" :title="item.text || item.label">
                {{ item.text || item.label }}
            </span>
        </a-select-option>
    </a-select>
</template>

<script>
import { ajaxGetDictItems, getDictItemsFromCache } from '@/api/api'

export default {
  name: 'JDictSelectTag',
  props: {
    dictCode: String,
    placeholder: String,
    disabled: Boolean,
    value: [String, Number],
    showNull: {
      type: Boolean,
      default: false,
    },
    type: String,
    getPopupContainer: {
      type: Function,
      default: (node) => node.parentNode,
    },
  },
  data() {
    return {
      dictOptions: [],
      tagType: '',
    }
  },
  watch: {
    dictCode: {
      immediate: true,
      handler() {
        this.initDictData()
      },
    },
  },
  created() {
    // console.log(this.dictCode);
    if (!this.type || this.type === 'list') {
      this.tagType = 'select'
    } else {
      this.tagType = this.type
    }
    //获取字典数据
    // this.initDictData();
  },
  computed: {
    getValueSting() {
      // update-begin author:wangshuai date:20200601 for: 不显示placeholder的文字 ------
      // 当有null或“” placeholder不显示
      return this.value != null ? this.value.toString() : undefined
      // update-end author:wangshuai date:20200601 for: 不显示placeholder的文字 ------
    },
  },
  methods: {
    initDictData() {
      //优先从缓存中读取字典配置
      if (getDictItemsFromCache(this.dictCode)) {
        this.dictOptions = getDictItemsFromCache(this.dictCode)
        return
      }

      //根据字典Code, 初始化字典数组
      ajaxGetDictItems(this.dictCode, null).then((res) => {
        if (res.success) {
          //                console.log(res.result);
          this.dictOptions = res.result
        }
      })
    },
    handleInput(e = '') {
      console.log(e);
      let val
      if (Object.keys(e).includes('target')) {
        val = e.target.value
      } else {
        val = e
      }
      this.$emit('change', val)
      //LOWCOD-2146 【菜单】数据规则，选择自定义SQL 规则值无法输入空格
      this.$emit('input', val)
    },
    setCurrentDictOptions(dictOptions) {
      this.dictOptions = dictOptions
    },
    getCurrentDictOptions() {
      return this.dictOptions
    },
  },
  model: {
    prop: 'value',
    event: 'change',
  },
}
</script>

<style scoped>
</style>